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John Roll, MD
NPI 1891766911 · Specialist · Portland, OR
John Roll, MD is a Specialist provider in Portland, OR (NPI 1891766911).
Provider details
- NPI number
- 1891766911
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 24114 (OR)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
9205 Sw Barnes Rd
Portland, OR 97225-6603
Phone: (503) 216-4830
Fax: (503) 216-4850
Street-level locationGet directions
Mailing address
9400 Sw Barnes Rd
Portland, OR 97225-6608
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2007-07-16
Frequently asked questions
- What is John Roll's NPI number?
- John Roll's National Provider Identifier (NPI) is 1891766911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Roll's specialty?
- John Roll is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Roll located?
- John Roll's practice location on file with NPPES is 9205 Sw Barnes Rd, Portland, OR 97225-6603.
- What is John Roll's phone number?
- The practice phone number listed in the NPPES registry for John Roll is (503) 216-4830.
- Is John Roll's NPI active?
- Yes — John Roll's NPI (1891766911) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.